Home / 11,763.89-16,234.19-6,459.05

Finding the Fourth Proportional to 11,763.89, 16,234.19 and 6,459.05

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Solution

The fourth proportional to 11,763.89, 16,234.19 and 6,459.05 is: 8,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.89 : 16,234.19 = 6,459.05 : x
  2. Step 2: Convert to fraction form
    11,763.89/16,234.19 = 6,459.05/x
  3. Step 3: Cross multiply
    11,763.89x = 16,234.19 × 6,459.05
  4. Step 4: Simplify right side
    11,763.89x = 104,857,331.45
  5. Step 5: Solve for x
    x = 104,857,331.45/11,763.89
  6. Step 6: Final answer
    x = 8,913.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.